1147085 has 8 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 913744.

The previous prime is 1147073. The next prime is 1147099. The reversal of 1147085 is 5807411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1147085 - 2⁶ = 1147021 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616 + ... + 2214.

It is an arithmetic number, because the mean of its divisors is an integer number (172800).

2^1147085 is an apocalyptic number.

It is an amenable number.

1147085 is a deficient number, since it is larger than the sum of its proper divisors (235315).

1147085 is an equidigital number, since it uses as much as digits as its factorization.

1147085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1147085 is about 1071.0205413530. The cubic root of 1147085 is about 104.6803582415.

The spelling of 1147085 in words is "one million, one hundred forty-seven thousand, eighty-five".